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Signum Framework Tutorials Part 2 – Southwind Logic

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15 Nov 2012LGPL325 min read 31.3K   1K   22  
In this part, we will focus on writing business logic, LINQ queries and explain inheritance
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Markup;
using System.Windows.Threading;
using Signum.Entities;
using Signum.Entities.Basics;
using Signum.Services;
using Signum.Windows;
using Signum.Windows.Basics;
using Southwind.Entities;
using Southwind.Windows.Controls;

namespace Southwind.Windows
{
    /// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : Application
    {
        public App()
            : base()
        {
            FrameworkElement.LanguageProperty.OverrideMetadata(typeof(FrameworkElement),
                new FrameworkPropertyMetadata(XmlLanguage.GetLanguage(CultureInfo.InvariantCulture.IetfLanguageTag)));

            this.DispatcherUnhandledException += new DispatcherUnhandledExceptionEventHandler(App_DispatcherUnhandledException);
            Async.ExceptionHandler = UnhandledAsyncException;

            InitializeComponent();
        }

        private void Application_Startup(object sender, StartupEventArgs e)
        {
            //Fix so App.xaml InitializeComponent gets generated
        }

        void UnhandledAsyncException(Exception e, Window win)
        {
            Program.HandleException("Error in async call", e);
        }

        void App_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
        {
            Program.HandleException("Unexpected error", e.Exception);
            e.Handled = true;
        }

        protected override void OnStartup(StartupEventArgs args)
        {
            Navigator.Start(new NavigationManager());
            Constructor.Start(new ConstructorManager());

            Navigator.AddSettings(new List<EntitySettings>
            {
                new EntitySettings<MyEntityDN>(EntityType.Default) { View = e => new MyEntity() }
            });

            Navigator.Initialize();
        }
    }
}

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License

This article, along with any associated source code and files, is licensed under The GNU Lesser General Public License (LGPLv3)


Written By
Software Developer (Senior) Signum Software
Spain Spain
I'm Computer Scientist, one of the founders of Signum Software, and the lead developer behind Signum Framework.

www.signumframework.com

I love programming in C#, Linq, Compilers, Algorithms, Functional Programming, Computer Graphics, Maths...

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